| 摘要 |
A fitting adapted for installation into an opening of a support structure includes a housing structure having a longitudinal extent with a head region. An exemplary embodiment of the housing structure has an interference feature whose outer shape configuration generally matches a shape configuration of the opening, the interference feature oversized relative to the opening. The housing structure further includes a seal surface disposed generally transverse to the longitudinal extent. A component such as a light source may be disposed within the housing structure. A method for installing a light fixture in an opening formed in a support structure includes positioning an end of the light fixture in the opening, applying an installation force on the light fixture to advance the light fixture into the opening such that an oversized interference feature on the exterior periphery of the light fixture tightly engages interior surfaces defining the opening in the support structure, and pushing the light fixture into the opening to engage a seal surface of the light fixture in engagement with a support structure surface around the opening.
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